Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...221..105s&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 221, no. 1, Aug. 1989, p. 105-109.
Astronomy and Astrophysics
Astronomy
49
Infrared Astronomy Satellite, Interstellar Masers, Maser Outputs, Point Sources, Water Masers, Astronomical Catalogs, Infrared Sources (Astronomy), Luminosity, Star Formation
Scientific paper
The paper presents a list of bright IRAS point sources selected with the following criteria: (1) flux larger than 1000 Jy at 60 or 100 microns, (2) no association reported in any of the 37 catalogs listed in Table V.H. 1 of the IRAS Explanatory Supplement, and (3) no water maser emission reported previously. During a search for H2O maser emission toward these objects at Itapetinga (Southern Hemisphere) and Haystack (Northern Hemisphere), 23 new sources were detected. From their frequent association with water maser emission, their IRAS colors, their galactic distribution, and their estimated large luminosities, these bright, unassociated IRAS point sources seem to be, in most cases, sites of recent OB star formation. It is believed that these sources were not detected previously because their cm radio continuum fluxes are expected to be a few tenths of a Jy, below the sensitivity of radio continuum surveys of the galactic plane.
Mendoza-Torres Eduardo
Rodriguez Luis F.
Scalise Eugenio Jr.
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